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Thermal compound is completely unnecessary on a Phenom 9850 BE!

2331 Views 6 Replies 6 Participants Last post by  Ltar
When I first popped my 9850 into my Gigabyte 790gx and sloppily pried the crappy stock heatsink into place, I was amazed at initial temps of 20c, and an idle temp of 26c w/ loads of about 40c. But then I decided I'd place the heatsink even better, and proceeded to remove the thermal grease... until, in horror, I realized I'd thrown away my old tube of Arctic Silver. So I just popped the dry heatsink onto the dry cpu heat-spreader as an experiment, and the temps only rose 4c... ***?? It's running like this right now... I'm too scared to overclock because I'm afraid the temps are a lie
(BIOS, SpeedFan, and Everest Ultimate all report the same)... Did I get one of the better built 9850's or something? Because these temps are farrrr below my previous E8400 @ 2000mhz (speedstep). The Phenom is at its full 2.5 ghz too.
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so basically what he is saying is that thermal compound has been a conspiracy for companies to make more money all along?
2
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Originally Posted by aaronmonto
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When I first popped my 9850 into my Gigabyte 790gx and sloppily pried the crappy stock heatsink into place, I was amazed at initial temps of 20c, and an idle temp of 26c w/ loads of about 40c. But then I decided I'd place the heatsink even better, and proceeded to remove the thermal grease... until, in horror, I realized I'd thrown away my old tube of Arctic Silver. So I just popped the dry heatsink onto the dry cpu heat-spreader as an experiment, and the temps only rose 4c... ***?? It's running like this right now... I'm too scared to overclock because I'm afraid the temps are a lie
(BIOS, SpeedFan, and Everest Ultimate all report the same)... Did I get one of the better built 9850's or something? Because these temps are farrrr below my previous E8400 @ 2000mhz (speedstep). The Phenom is at its full 2.5 ghz too.

someone didnt pay attention in basic physics class....
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Thanks Wally. And no, this has nothing to do with conspiracies; I've merely heard the BE Phenoms run hot, and I'm surprised at my temps with the crappy cooler w/o paste. And this also has nothing to do with physics... didn't you note how I reflected on the temps rising slightly? Or are you trying to say that it's obvious my temps wouldn't rise much, because you know everything?

The thing is, I didn't lap or anything. But I am planning on getting that paste ASAP; I'd love to overclock this thing
, and I'm worried that some parts not making full conduction could be damaged. I hope this clears up the second two comments' silly bull****.
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If the chip HS and the Heatsink are both perfectly smooth and flat, then thermal grease is unnecessary. A perfect metal-on-metal fit would be ideal, but it's usually impractical. All thermal grease does is serve as a coupler, it fills in the gaps between the chip and heatsink to maximize contact area.
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